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1980 Cape Dory CD27

Listed
Expired
$13,000 USD

Seller's Description

updated - 2/14/21 contact # 727-285-8700 This Cape Dory 27 (CD27) is in fairly good shape. The wood on deck has been varnished instead of teak oiled.

The main sail has 3 reef points. I’ve had it out in 20 knot winds with the main reefed and the 100 genoa up and it sails just fine. Especially with the new Dodger that I installed. The Yanmar YSM8 Engine runs fine - it is a horizontally opposed 1 cylinder engine so it has little vibration side to side. I recently ran it 12 hours and had to tighten the engine mounts and oil pump cover.

The running rigging is in good shape except for the jib hallyard.

An owners manual for the boat and the service manual for the engine come with the boat.

The standing rigging looks good and I’ve had no issues with it.

The bottom paint was redone professionally; stripped to the gel coat , barrier coat applied and 3 coat epoxy paint (Petit) applied.

I have 1 inch pin striping which you can apply along the water line if you like.

Electronics: The depth transducer needs to be installed but I’ve used it by holding it by hand in the water. A head display is installed. (Raymarine i50). Temp and water speed require yet a second transducer which is included but not installed. ( 650 dollar value here)

Water tank under V birth is not useable due to small cracks.

Head: I removed the toilet due to fowl odor and aged and cracked components.

Rudder: When I purchased the boat the tiller was loose due to elongated bolt holes. I had a machine shop redrill and press a sleeve. It’s nice and tight now.

Handling Characteristics: The boat sails well if you have the sails trimmed right. Otherwise it’s very touchy on the tiller, ex: if you have to much sail out. The extra sail area does not increase the speed much so I’ve found its easier to reef in needed or use the 100 vs the 130 genoa.

Equipment: (New zincs engine and prop shaft) 2 anchors with road and chain. 12V Marine Battery Electric and manual bilge new Dodger VHF radio USB Charge Adaptor - 4 sails Yanmar YSM8-R 12 Gallon Fuel Tank Spares - Fuel filter & belts

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Specs

Designer
Carl Alberg
Builder
Cape Dory Yachts
Association
Cape Dory Sailboat Owners Association
# Built
277
Hull
Monohull
Keel
?
Rudder
?
Construction
FG

Dimensions

Length Overall
27′ 0″ / 8.2 m
Waterline Length
27′ 0″ / 8.2 m
Beam
8′ 11″ / 2.7 m
Draft
4′ 0″ / 1.2 m
Displacement
7,500 lb / 3,402 kg
Ballast
3,000 lb / 1,361 kg

Rig and Sails

Type
Sloop
Reported Sail Area
354′² / 32.9 m²
Total Sail Area
354′² / 32.9 m²
Mainsail
Sail Area
167′² / 15.6 m²
P
29′ 9″ / 9.1 m
E
11′ 3″ / 3.4 m
Air Draft
?
Foresail
Sail Area
187′² / 17.4 m²
I
33′ 11″ / 10.4 m
J
10′ 11″ / 3.4 m
Forestay Length
35′ 8″ / 10.9 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
5.7 kn
Classic: 5.99 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

5.66 knots
Classic formula: 5.99 knots
Sail Area/Displacement
14.8
<16: under powered

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
14.78
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.0
>40: stiffer, more powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

40.01
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
417.7
>350: ultraheavy

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
417.71
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
30.1
30-40: moderate bluewater cruising boat

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
30.09
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
1.7
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
1.74
<2: better suited for ocean passages
>2: better suited for coastal cruising

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